Hummus Pasta with Lemon and Basil

Ingredients

• 7 oz (200 g) dried pasta of your choice ((gluten-free if necessary))
• 1 tablespoon olive oil
• 1 red onion, finely sliced ((optional))
• 2 cloves garlic, finely chopped ((optional))
• 2-3 medium fresh tomatoes, chopped ((optional))
• ¾ cup (200 g) hummus ((either homemade or shop-bought))
• 2 tablespoons nutritional yeast ((plus more to taste))
• Pasta cooking water ((as much as is needed))
• Zest and juice of half a lemon
• Small handful fresh basil, roughly chopped
• Salt
• pepper